Home / 6,005.59-8,287.74-3,489.18

Finding the Fourth Proportional to 6,005.59, 8,287.74 and 3,489.18

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Solution

The fourth proportional to 6,005.59, 8,287.74 and 3,489.18 is: 4,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.59 : 8,287.74 = 3,489.18 : x
  2. Step 2: Convert to fraction form
    6,005.59/8,287.74 = 3,489.18/x
  3. Step 3: Cross multiply
    6,005.59x = 8,287.74 × 3,489.18
  4. Step 4: Simplify right side
    6,005.59x = 28,917,395.39
  5. Step 5: Solve for x
    x = 28,917,395.39/6,005.59
  6. Step 6: Final answer
    x = 4,815.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.